Finding the Fourth Proportional to 189,057.96, 260,912.63 and 104,175.02
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Solution
The fourth proportional to 189,057.96, 260,912.63 and 104,175.02 is: 143,768.50
Step by Step Solution
- Step 1: Write the proportion equation
189,057.96 : 260,912.63 = 104,175.02 : x - Step 2: Convert to fraction form
189,057.96/260,912.63 = 104,175.02/x - Step 3: Cross multiply
189,057.96x = 260,912.63 × 104,175.02 - Step 4: Simplify right side
189,057.96x = 27,180,578,970.57 - Step 5: Solve for x
x = 27,180,578,970.57/189,057.96 - Step 6: Final answer
x = 143,768.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.